84704416838 has 32 divisors (see below), whose sum is σ = 136528761600. Its totient is φ = 39292844256.

The previous prime is 84704416789. The next prime is 84704416843. The reversal of 84704416838 is 83861440748.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84704416838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517820 + ... + 661472.

It is an arithmetic number, because the mean of its divisors is an integer number (4266523800).

Almost surely, 2^84704416838 is an apocalyptic number.

84704416838 is a deficient number, since it is larger than the sum of its proper divisors (51824344762).

84704416838 is a wasteful number, since it uses less digits than its factorization.

84704416838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143996.

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 84704416838 in words is "eighty-four billion, seven hundred four million, four hundred sixteen thousand, eight hundred thirty-eight".